/* Khpra landing — Alexandria + dashboard theme tokens */
.landing-body {
    font-family: 'Alexandria', sans-serif !important;
    background: var(--bg-main, #0B0E14);
    color: var(--text-main, #fff);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Nav ── */
.landing-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: color-mix(in srgb, var(--bg-main) 88%, transparent);
    border-bottom: 1px solid var(--border-color, #1E293B);
}
.landing-nav-toggle {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    cursor: pointer;
}
.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--text-muted);
}
.landing-nav-links a:hover { color: var(--text-active); }
.landing-nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
}
.landing-nav-mobile.open { display: flex; }
.landing-nav-mobile a {
    padding: 0.65rem 1rem;
    border-radius: 10px;
    font-weight: 800;
    color: var(--text-muted);
}
.landing-nav-mobile a:hover { background: var(--nav-bg-active); color: var(--text-active); }

/* ── Hero ── */
.landing-hero {
    position: relative;
    padding: 3.5rem 1.5rem 4.5rem;
    overflow: hidden;
}
.landing-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, color-mix(in srgb, var(--primary) 25%, transparent), transparent),
        radial-gradient(circle at 90% 20%, color-mix(in srgb, var(--accent) 15%, transparent), transparent),
        radial-gradient(circle at 10% 80%, color-mix(in srgb, var(--secondary) 12%, transparent), transparent);
    pointer-events: none;
}
.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    background: var(--nav-bg-active);
    border: 1px solid color-mix(in srgb, var(--primary) 40%, var(--border-color));
    color: var(--text-active);
}
.landing-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.landing-title .gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-demo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    max-width: 42rem;
    margin: 0 auto 1.5rem;
}
.landing-demo-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: var(--btn-radius, 12px);
    font-weight: 800;
    font-size: 0.8rem;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    cursor: pointer;
    transition: transform 0.12s, border-color 0.15s;
    font-family: inherit;
}
.landing-demo-chip:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}
.landing-demo-chip i { font-size: 0.85rem; }

.landing-stat .num {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-active);
}
.landing-stat .lbl {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
}

/* ── Sections ── */
.landing-section { padding: 4rem 1rem; }
.landing-section-alt {
    background: color-mix(in srgb, var(--card-bg) 35%, var(--bg-main));
}
.landing-section-title {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 900;
    margin-bottom: 0.5rem;
}
.landing-section-sub {
    color: var(--text-muted);
    font-weight: 600;
    max-width: 36rem;
    line-height: 1.65;
}

/* ── Feature cards ── */
.landing-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 16px);
    padding: 1.35rem;
    height: 100%;
    transition: border-color 0.2s, transform 0.2s;
}
.landing-feature-card:hover {
    border-color: color-mix(in srgb, var(--primary) 50%, var(--border-color));
    transform: translateY(-3px);
}
.landing-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: var(--nav-bg-active);
    color: var(--text-active);
    margin-bottom: 0.85rem;
}

/* ── Steps ── */
.landing-step {
    text-align: center;
    padding: 1.25rem;
}
.landing-step-num {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    font-size: 0.9rem;
}
.landing-step-icon {
    font-size: 1.5rem;
    color: var(--text-active);
    margin-bottom: 0.5rem;
}

/* ── Audience cards ── */
.landing-audience {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 16px);
    padding: 1.5rem;
    height: 100%;
}
.landing-audience-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--nav-bg-active);
    color: var(--text-active);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.landing-audience ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.landing-audience li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0.35rem 0;
}
.landing-audience li i {
    color: var(--secondary);
    font-size: 0.65rem;
}

/* ── Browser mockup + scaled iframe ── */
.demo-browser {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(0,0,0,0.3);
    transition: transform 0.25s, box-shadow 0.25s;
}
.demo-browser:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 50px color-mix(in srgb, var(--primary) 12%, rgba(0,0,0,0.35));
}
.demo-browser-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
    background: color-mix(in srgb, var(--bg-main) 55%, var(--card-bg));
    border-bottom: 1px solid var(--border-color);
}
.demo-browser-dots { display: flex; gap: 5px; }
.demo-browser-dots span {
    width: 9px; height: 9px; border-radius: 50%;
}
.demo-browser-dots span:nth-child(1) { background: #FF5F57; }
.demo-browser-dots span:nth-child(2) { background: #FFBD2E; }
.demo-browser-dots span:nth-child(3) { background: #28CA41; }
.demo-browser-url {
    flex: 1;
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-main);
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    text-align: center;
    font-family: monospace;
    direction: ltr;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.demo-browser-frame {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-main);
}
.demo-iframe-scaler {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1440px;
    height: 900px;
    transform-origin: top center;
    will-change: transform;
}
.demo-iframe-scaler iframe {
    width: 1440px;
    height: 900px;
    border: 0;
    display: block;
    pointer-events: none;
}
.demo-browser-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
}
.demo-browser:hover .demo-browser-overlay { opacity: 1; }
.demo-browser-overlay a {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.8rem;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
}
.demo-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    margin-bottom: 0.4rem;
}

/* ── Dashboard style mocks ── */
.dash-style-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--card-radius, 16px);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}
.dash-style-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}
.dash-mock {
    height: 180px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}
.dash-style-info { padding: 1rem 1.15rem; }

/* Brand mock */
.dash-mock--brand { background: var(--bg-main); }
.dm-brand-layout { display: flex; height: 100%; }
.dm-sidebar {
    width: 22%;
    background: color-mix(in srgb, var(--card-bg) 80%, black);
    padding: 0.6rem 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.dm-nav {
    height: 0.45rem;
    border-radius: 4px;
    background: var(--border-color);
    opacity: 0.5;
}
.dm-nav.active {
    background: var(--primary);
    opacity: 1;
    width: 80%;
}
.dm-main { flex: 1; padding: 0.5rem; }
.dm-header {
    height: 0.55rem;
    border-radius: 4px;
    background: var(--border-color);
    margin-bottom: 0.5rem;
    width: 60%;
}
.dm-cards { display: flex; gap: 0.35rem; }
.dm-stat {
    flex: 1;
    height: 2.5rem;
    border-radius: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

/* Duolingo mock */
.dash-mock--duolingo {
    background: linear-gradient(180deg, #ddf4ff 0%, #fff 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
}
.dm-path { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; }
.dm-node {
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: #e5e5e5;
    border: 3px solid #ccc;
}
.dm-node.done { background: #58CC02; border-color: #46a302; }
.dm-node.active { background: #1CB0F6; border-color: #1899d6; box-shadow: 0 0 0 3px rgba(28,176,246,0.3); }
.dm-line { width: 3px; height: 0.6rem; background: #ccc; border-radius: 2px; }
.dm-line.dim { opacity: 0.4; }
.dm-duo-cards { display: flex; gap: 0.4rem; }
.dm-card {
    width: 2.8rem;
    height: 1.6rem;
    border-radius: 8px;
    border-bottom: 3px solid rgba(0,0,0,0.15);
}
.dm-card.green { background: #58CC02; }
.dm-card.blue { background: #1CB0F6; }
.dm-xp {
    font-size: 0.65rem;
    font-weight: 900;
    color: #ff9600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Udemy mock */
.dash-mock--udemy { background: #1c1d1f; }
.dm-udemy-hero {
    height: 35%;
    background: linear-gradient(135deg, #1c1d1f, #5624d0);
    border-bottom: 1px solid #3e3e3e;
}
.dm-udemy-rows { padding: 0.5rem; display: flex; flex-direction: column; gap: 0.35rem; }
.dm-row {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}
.dm-row span:first-child {
    width: 2.5rem;
    height: 1.5rem;
    border-radius: 4px;
    background: #3e3e3e;
    flex-shrink: 0;
}
.dm-row span:last-child {
    flex: 1;
    height: 0.45rem;
    border-radius: 3px;
    background: #3e3e3e;
}

/* ── FAQ ── */
.landing-faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 14px);
    background: var(--card-bg);
    overflow: hidden;
    margin-bottom: 0.5rem;
}
.landing-faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background: none;
    border: none;
    color: var(--text-main);
    font-family: inherit;
    font-weight: 800;
    font-size: 0.9rem;
    text-align: start;
    cursor: pointer;
}
.landing-faq-q i {
    color: var(--text-active);
    transition: transform 0.2s;
    flex-shrink: 0;
}
.landing-faq-item.open .landing-faq-q i { transform: rotate(180deg); }
.landing-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}
.landing-faq-item.open .landing-faq-a { max-height: 12rem; }
.landing-faq-a-inner {
    padding: 0 1.15rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1.65;
}

.landing-footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .landing-nav-toggle { display: flex; }
    .landing-nav-links { display: none; }
    .demo-browser-frame { height: 180px; }
}
@media (max-width: 640px) {
    .landing-hero { padding: 2.5rem 1rem 3rem; }
    .landing-section { padding: 3rem 1rem; }
}